Knowledge is key to the competitiveness and success of an organization and in particular of a firm. Firms and their managers acquire knowledge via a variety of different channels which are often difficult to track down and quantify. By matching employer–employee data with trade data at the...

This paper introduces idiosyncratic firm efficiency shocks into a continuous-time general equilibrium model of trade with heterogeneous firms. The presence of sunk export entry costs and efficiency uncertainty gives rise to hysteresis in export market participation. A firm will enter into the...